CN113029465A

CN113029465A - Air tightness detection device for connecting line and plastic joint

Info

Publication number: CN113029465A
Application number: CN202110242843.2A
Authority: CN
Inventors: 闫正明; 黄金; 钱新
Original assignee: Hangzhou Hengkang Electronics Co ltd
Current assignee: Hangzhou Hengkang Electronics Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-06-25
Anticipated expiration: 2041-03-05
Also published as: CN113029465B

Abstract

The invention discloses an air tightness detection device for a connecting line and plastic joint, which comprises an upper template, a lower template, a tool and a die strip base, wherein the template is provided with a lower die cavity, the die strip base is embedded into the lower die cavity, the tool is placed on the die strip base, a top plate is arranged inside the die strip base, a positioning column is fixed on the top plate, the lower end of the positioning column is connected with the die strip base, the lower end of the top plate is provided with a spring, and the lower end of the tool is contacted with the top plate.

Description

Air tightness detection device for connecting line and plastic joint

Technical Field

The invention relates to an air tightness detection device for a connecting line and a plastic joint.

Background

Connecting wires, wire harnesses and the like are common in daily life, are used for many electronic and electrical equipment and mainly play a role in connecting and transmitting signals or power supplies; the connecting wire is generally used in two modes, one mode is direct connection, the other mode is plug-in connection, terminals are generally arranged at two ends or one end of the plug-in connection wire, and the terminals are fixed through plastic joints; in some specific occasions, the requirement on the air tightness of the whole connecting line is high, air or liquid substances cannot enter from the connecting part of the connecting line and the plastic, and if the air tightness problem occurs, a circuit or equipment is damaged, so that the air tightness of the connecting line needs to be detected before leaving a factory for use, and a special tool is needed for detecting the air tightness.

The existing connecting wire air tightness detection device has low detection efficiency, can only complete the detection of one connecting wire at each time, has low detection accuracy, and can not meet the requirements of the existing production, so that a novel connecting wire air tightness detection device needs to be researched and developed to solve the problems encountered at present.

Disclosure of Invention

The invention aims to solve the technical problem of providing the air tightness detection device for the connecting line and the plastic joint, which is convenient to use, simple to operate, high in detection efficiency, good in accuracy, practical and wide in application range, and can finish the air tightness detection of a plurality of connecting lines at one time.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides an airtight detection device for connecting wire and plastic connect, includes cope match-plate pattern, lower bolster, frock and mould strip base, is equipped with down the die cavity on the lower bolster, in the die cavity under the embedding of mould strip base, the frock is placed on mould strip base, the inside of mould strip base is equipped with the roof, is fixed with the reference column on the roof, and the lower extreme and the mould strip base of reference column are connected, the lower extreme of roof is equipped with the spring, the lower extreme and the roof contact of frock, the frock is including drawing to detain, mould strip and blast pipe, draws to detain the upper end of installing at mould strip, be equipped with a plurality of joint sockets on the mould strip, connect socket and blast pipe to link up, be equipped with the blend stop on the mould strip base, form a plurality.

Preferably, an upper sealing ring is embedded in the upper template, and a lower sealing ring is embedded in the lower template.

This setting, the sealed chamber between die cavity, the lower mould chamber is increased through the effect of sealing washer, guarantees the accurate nature of the detection of gas tightness.

Preferably, the relative position of the upper sealing ring and the lower sealing ring is provided with a first wire slot and an exhaust pipe placing groove, and the position of the die strip base, which is opposite to the exhaust pipe placing groove, is provided with an open groove.

This setting, the placing of connecting wire and blast pipe of being convenient for reaches sealed effect that detects.

Preferably, a second wire slot and a fourth wire slot are formed in the opposite positions of the upper template and the lower template.

This setting is convenient for the placing of connecting wire.

Preferably, two sides of the lower template are provided with limiting blocks.

This setting has realized the control of compound die distance between lower bolster and the cope match-plate pattern, prevents excessive extrusion, perhaps the compound die time gap is too big, sealed relatively poor problem.

Preferably, the lower template is provided with a guide post, and the upper template is provided with a guide hole.

This setting, the compound die of cope match-plate pattern and lower bolster of being convenient for, the skew appears when preventing the compound die.

Preferably, a connecting wire limiting plate is installed at the front end of the lower template, and a wire groove III is formed in the connecting wire limiting plate.

This setting is convenient for carry out the injecing of position to the connecting wire, prevents to appear removing.

Preferably, an upper die cavity is arranged in the upper die plate, and a cavity is arranged at the upper end of the upper die cavity.

By the arrangement, normal die assembly of the upper die plate and the lower die plate is guaranteed.

Preferably, the pull buckle is of a T-shaped structure as a whole.

This setting is convenient for draw and detain and holistic placing of frock, the removal of taking, indirect improvement work efficiency.

The invention has the beneficial effects that: convenient to use, easy operation once can accomplish the detection of many connecting wires gas tightness, and detection efficiency is high, and the accuracy is good, has the practicality and the universality of use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the present invention is not limited to the scope of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a lower template of the present invention;

FIG. 3 is a schematic view of the base structure of the mold strip of the present invention;

FIG. 4 is a schematic view of the tooling structure of the present invention;

FIG. 5 is a schematic diagram of an upper plate structure according to the present invention;

FIG. 6 is a schematic view of the back structure of the lower template of the present invention;

FIG. 7 is a schematic diagram of a test connection line according to the present invention;

the device comprises an upper template, a lower template, a limiting block, a connecting line limiting plate, a testing connecting line, a tool, a guide post, a guide hole, an air inlet hole, a lower sealing ring, a first wire groove, a second limiting groove, a third limiting groove, a fourth wire groove, a 15 exhaust pipe placing groove, a 16 mold strip base, an open groove, an 18 limiting groove, a 19 top plate, a 20 positioning post, a 21 blocking strip, a 22 pull buckle, a 23 exhaust pipe, a 24 connector socket, a 25 mold strip, a 26 plastic connector, an 27 upper sealing ring, an 28 upper mold cavity and a 29 cavity, wherein the upper template is arranged on the lower template, the limiting block is arranged on the upper template, and the lower sealing ring is arranged on the lower template.

Detailed Description

Referring to fig. 1 to 7, an airtight detection device for connecting line and plastic joint includes an upper template 1, a lower template 2, a fixture 6 and a mold strip base 16, a lower mold cavity is provided on the lower template 2, the mold strip base 16 is embedded into the lower mold cavity, the fixture 6 is placed on the mold strip base 16, a top plate 19 is provided inside the mold strip base 16, a positioning column 20 is fixed on the top plate 19, the lower end of the positioning column 20 is connected with the mold strip base 16, a spring (not shown) is provided at the lower end of the top plate 19, the lower end of the fixture 6 is in contact with the top plate 19, the fixture 6 includes a pull buckle 22, a mold strip 25 and an exhaust pipe 23, the pull buckle 22 is installed at the upper end of the mold strip 25, a plurality of joint sockets 24 are provided on the mold strip 25, the joint sockets 24 are communicated with the exhaust pipe 23, a barrier strip 21 is provided on the mold strip base 16, and a plurality.

Further, an upper seal ring 27 is embedded in the upper template 1, and a lower seal ring 10 is embedded in the lower template 1.

Further, a first wire groove 11 and an exhaust pipe placing groove 15 are formed in the opposite positions of the upper sealing ring 27 and the lower sealing ring 10, and an open groove 17 is formed in the position, right opposite to the exhaust pipe placing groove 15, of the mold strip base 16.

Further, a second wire casing 12 and a fourth wire casing 14 are arranged at the opposite positions of the upper template 1 and the lower template 2.

Furthermore, two sides of the lower template 2 are provided with limit blocks 3.

Furthermore, a guide post 7 is installed on the lower template 2, and a guide hole 8 is formed in the upper template 1.

Further, a connecting wire limiting plate 4 is installed at the front end of the lower template 2, and a wire slot III 13 is formed in the connecting wire limiting plate 4.

Further, an upper die cavity 28 is arranged in the upper die plate 1, and a cavity 29 is arranged at the upper end of the upper die cavity 28.

Further, the surfaces of the lower seal ring 10 and the upper seal ring 27 respectively protrude from the surfaces of the lower template 2 and the upper template 1.

Further, the back of the lower template 2 is provided with an air inlet 9, and the air inlet 9 is communicated with the lower die cavity.

Further, the inner side of the template base 16 is obliquely arranged, so that the placement of the tool is facilitated.

Further, the pull tab 22 has a T-shaped structure as a whole.

When the test connecting line device is used, the plastic joint 26 of the test connecting line 5 is inserted into the joint socket of the die strip, one surface of the plastic joint is attached to the die strip, then a tool carrying the test connecting line is placed on the base of the die strip through the pull buckle, so that the bottom of the die strip of the tool is contacted with the upper end of the top plate, and meanwhile, the test connecting line is placed in the first wire slot, the second wire slot, the third wire slot and the fourth wire slot; the cope match-plate pattern moves down afterwards, and the cope match-plate pattern extrusion is pulled and is detained for the frock is whole to move down and extrude the roof, goes up the sealing washer simultaneously and accomplishes sealedly with the contact of lower sealing washer, and the inlet port is admitted air afterwards, pressurize certain time, when pressure variation appears in sensor detection die cavity or gas outlet, explains to have the gas tightness problem between plastic joint and the test connecting wire, if do not, shows that the test connecting wire is whole qualified.

After the test is finished, the upper die plate moves upwards, the top plate moves upwards under the action of the spring under the condition of no pressure, the tool is supported, and the top plate returns.

In the working process of the invention, the barrier strip plays a role in extruding the plastic joint and limiting the plastic joint so as to prevent the plastic joint from deviating.

The positioning column is used for limiting the top plate and controlling the upward moving distance of the top plate.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an airtight detection device for connecting wire and plastic connect, includes cope match-plate pattern, lower bolster, frock and mould strip base, its characterized in that: be equipped with the die cavity down on the lower bolster, during die cavity under the embedding of mould strip base, the frock was placed on mould strip base, the inside of mould strip base is equipped with the roof, is fixed with the reference column on the roof, and the lower extreme and the mould strip base of reference column are connected, the lower extreme of roof is equipped with the spring, and the lower extreme and the roof contact of frock, the frock is including drawing knot, mould strip and blast pipe, draws the upper end of detaining installing at the mould strip, be equipped with a plurality of joint sockets on the mould strip, connect the socket and link up with the blast pipe, be equipped with the blend stop on the mould strip base, form a plurality of spacing grooves between the blend.

2. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: an upper sealing ring is embedded in the upper template, and a lower sealing ring is embedded in the lower template.

3. The airtightness detection apparatus for the connecting line and the plastic joint according to claim 2, wherein: a first wire groove and an exhaust pipe placing groove are formed in the relative positions of the upper sealing ring and the lower sealing ring, and an open groove is formed in the position, right facing the exhaust pipe placing groove, of the die strip base.

4. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: and a second wire slot and a fourth wire slot are formed in the relative positions of the upper template and the lower template.

5. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: and two sides of the lower template are provided with limiting blocks.

6. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: the lower template is provided with a guide post, and the upper template is provided with a guide hole.

7. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: and a third wire slot is formed in the connecting wire limiting plate.

8. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: an upper die cavity is arranged in the upper die plate, and a cavity is arranged at the upper end of the upper die cavity.

9. The device of claim 1, wherein the sealing member comprises a sealing member and a sealing member, the sealing member comprises: the pull buckle is of a T-shaped structure as a whole.